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• He competed for Team Finland at the 2012 and 2013 World Junior Championships, totaling nine points (2-7--9) in 13 tournament games. He also represented his country at the 2012 Under-18 World Championship, recording three points (2-1--3).

• Ristolainen has garnered attention on YouTube for his nifty shootout goal (more than 18,000 views) and a hit that sent Jokerit forward Tomi Maki into the bench (more than 17,000 views).

• He began playing hockey as a five-year-old, but did not make the move from forward to defense until he was 12.

NHL and the NHL Shield are registered trademarks and NHL Mobile name and logo, NHL GameCenter and Unlimited NHL are trademarks of the National Hockey League. NHL and NHL team marks are the property of the NHL and its teams.